#container {
    position: relative;
    background-color: white;
    width: 600px;
    padding: 15px;
    margin-top: 100px;
    margin-bottom: 0;
    /* margin-right: auto; */
    text-align: left;
    font-family: "微软雅黑 Light";
    box-shadow: 10px 10px 15px black;
}

hr {
    width: 80%;
    border: 1px solid #2289f0;
    margin-bottom: 15px;
}

body {
    background-color: #cccccc;
}

input {
    width: 180px;
    height: 20px;
    margin: 5px;
    font-size: 16px;
    font-family: "微软雅黑 Light";
}

#btn {
    width: 60px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    display: inline-block;
    background-color: #2289f0;
    border: 0;
    color: white;
    margin-left: 230px;
    font-size: 16px;
    font-family: "微软雅黑 Light";
    font-weight: bold;
    text-decoration: none;
}

#btn:hover {
    background-color: red;
}

div {
    margin-left: 300px;
}

.tishi1 {
    position: absolute;
    left: 280px;
    top: 110px;
    width: 260px;
    font-size: 14px;
    height: 20px;
    color: #16e90f;
    border: 1px solid #0ae60a;
}

.eorr1 {
    position: absolute;
    left: 280px;
    top: 110px;
    width: 260px;
    font-size: 16px;
    height: 20px;
    color: #f10f0f;
    border: 1px solid #d60c0c;
    display: none;
}

.tishi2 {
    position: absolute;
    left: 280px;
    top: 145px;
    width: 260px;
    font-size: 14px;
    height: 20px;
    color: #16e90f;
    border: 1px solid #0ae60a;
}

.eorr2 {
    position: absolute;
    left: 280px;
    top: 145px;
    width: 260px;
    font-size: 16px;
    height: 20px;
    color: #f10f0f;
    border: 1px solid #d60c0c;
    display: none;
}

.tishi3 {
    position: absolute;
    left: 280px;
    top: 180px;
    width: 260px;
    font-size: 14px;
    height: 20px;
    color: #16e90f;
    border: 1px solid #0ae60a;
}

.eorr3 {
    position: absolute;
    left: 280px;
    top: 180px;
    width: 290px;
    font-size: 16px;
    height: 20px;
    color: #f10f0f;
    border: 1px solid #d60c0c;
    display: none;
}

.tishi4 {
    position: absolute;
    left: 280px;
    top: 220px;
    width: 260px;
    font-size: 14px;
    height: 20px;
    color: #16e90f;
    border: 1px solid #0ae60a;
}

.eorr4 {
    position: absolute;
    left: 280px;
    top: 220px;
    width: 280px;
    font-size: 16px;
    height: 20px;
    color: #f10f0f;
    border: 1px solid #d60c0c;
    display: none;
}

.tishi5 {
    position: absolute;
    left: 280px;
    top: 250px;
    width: 260px;
    font-size: 14px;
    height: 20px;
    color: #16e90f;
    border: 1px solid #0ae60a;
}

.eorr5 {
    position: absolute;
    left: 280px;
    top: 250px;
    width: 280px;
    font-size: 16px;
    height: 20px;
    color: #f10f0f;
    border: 1px solid #d60c0c;
    display: none;
}